X-Git-Url: https://scm.cri.mines-paristech.fr/git/Plinn.git/blobdiff_plain/e84ba700349f0777d7e94b6b7692f53fc6860e17..31d7923e80d897c9297da71348b3336478a5214e:/catalog_adapters.py

diff --git a/catalog_adapters.py b/catalog_adapters.py
index 64130ad..86b2c3b 100644
--- a/catalog_adapters.py
+++ b/catalog_adapters.py
@@ -1,7 +1,9 @@
 from Products.CMFCore.CatalogTool import IndexableObjectWrapper
+from OFS.interfaces import IOrderedContainer
 
 class PlinnIndexableObjectWrapper(IndexableObjectWrapper) :
     def position(self) :
         parent = self.getParentNode()
-        pos = parent.getObjectPosition(self.getId())
-        return pos
\ No newline at end of file
+        if IOrderedContainer.providedBy(parent) :
+            pos = parent.getObjectPosition(self.getId())
+            return pos
\ No newline at end of file